document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=325309>Question 325309</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Martin's average score after 4 tests is 89. What score on the 5th test would bring Martin's average up to exactly 90? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #232962 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=232962\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Martin's average score after 4 tests is 89. <BR>\n" );
document.write( "What score on the 5th test would bring Martin's <BR>\n" );
document.write( "average up to exactly 90?<BR>\n" );
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document.write( "After 4 tests Martin has 4*89 = 356 points<BR>\n" );
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document.write( "Let the 5th score be \"x\".<BR>\n" );
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document.write( "Solve (356+x)/5 = 90<BR>\n" );
document.write( "356+x = 450<BR>\n" );
document.write( "x = 94<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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